Foundation Plus

Does the point (-2, 0) satisfy y > -x + 1?

y is directly proportional to x. When x = 2, y = 18. Work out y when x = 11.

Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 14 cm². Work out the area of the larger.Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 14 cm^2. Work out the area of the larger.

A biased coin lands on heads with probability 0.1. It is thrown 50 times. How many heads would you expect?

Grouped data has five classes of width 5, the first being 15 < x ≤ 20. The frequencies in order are 11, 7, 21, 16, 3. Write down the modal class.Grouped data has five classes of width 5, the first being 15 < x <= 20. The frequencies in order are 11, 7, 21, 16, 3. Write down the modal class.